Starts out in miles and moves to feet/meters as you become closer. Do remember that there is an offset in all GPS units that may land you a few feet away from your intended waypoint---you will need to use your sounder and chart plotter function together to pin pont your desired location.

Answered on 1/2/2014 by Anonymous

Q:

is this unit pre-loaded with coastal maps I live in NJ coastal will I be able to use in salt-water.